"However, Gisela Kaplan at the University of New England in Armidale, Australia, says she found the paper extremely frustrating and that the word “aggression” is being misused.
Chimpanzee groups are ruled by one dominant male, whereas bonobos are ruled by females. Competitions for dominance and mating rights in bonobos shouldn’t be confused with aggression, says Kaplan. “There’s more pointless violence in chimpanzees and humans than in other species like bonobos,” she says."
https://www.newscientist.com/article/2426678-peaceful-male-b...